Simplify the following expression: 4 / 1/4-5/2

A. - 16/9

B. - 4/3

C. 189/400

D. - 100/601

A ball is thrown downward from the top of a building with an initial speed of 25m/s. it strikes the ground after 2.0s. how high is the building?

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A shoe factory produces 345 pairs of shoes in one week and 354 pairs the next week. if 673 pairs were delivered to a department store, how many pairs were not delivered?

At school there are the same number of boys and girls. A student is chosen at random to raise the flag. How many times is it expected that a boy will raise the flag over 42 days of school

Red short-horned cattle are homozygous for the red allele, white cattle are homozygous for the white allele, and roan cattle are heterozygotes. Population A consists of 36% red, 16% white, and 48% roan cattle. What are the allele frequencies?

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Tina's swimming lesson started at 5:30 P. M. and ended at 6:25 P. M. How long did the swimming lesson last?

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Michale is traveling from San Francisco to Houston this morning. The flight will take 4 3/10 hours to complete. If the airplane travels 368.8 miles per hour, how many miles will the airplane travel? Explain

What is the correct first step to solving the equation x^2=10-3x